Added unique id to all scripts

include/v8.h

 // Copyright 2007-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 506 matching lines @@
    * Compiles the specified script using the specified file name
    * object (typically a string) as the script's origin.
    */
   static Local<Script> Compile(Handle<String> source,
                                Handle<Value> file_name);
 
   /**
    * Runs the script returning the resulting value.
    */
   Local<Value> Run();
+
+  /**
+   * Returns the script id value.
+   */
+  Local<Value> Id();
 };
 
 
 /**
  * An error message.
  */
 class EXPORT Message {
  public:
   Local<String> Get() const;
   Local<String> GetSourceLine() const;
@@ skipping 1915 matching lines @@
 
 }  // namespace v8
 
 
 #undef EXPORT
 #undef EXPORT_INLINE
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_